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 ###Instrução: Em qual semana a frequência foi de 47.218?
 ###Tabelas: CREATE TABLE classification_leadership_progress_table (classification_leadership_progress_table_id AUTO_INCREMENT PRIMARY KEY, Stage INT, Winner VARCHAR, General classification VARCHAR, Mountains classification VARCHAR, Points classification VARCHAR, Youth classification VARCHAR, Team Classification VARCHAR) CREATE TABLE batteries (batteries_id AUTO_INCREMENT PRIMARY KEY, Technology VARCHAR, Moving Parts VARCHAR, Room Temperature VARCHAR, Flammable VARCHAR, Toxic Materials VARCHAR, In production VARCHAR, Rare metals VARCHAR) CREATE TABLE top_20_countries_by_tally (top_20_countries_by_tally_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Country/Territory VARCHAR, Miss World INT, 1st Runner-up INT, 2nd Runner-up INT, 3rd Runner-up INT, 4th Runner-up INT, 5th Runner-up INT, 6th Runner-up INT, Semifinalists INT, Total INT) CREATE TABLE derbi_amman (derbi_amman_id AUTO_INCREMENT PRIMARY KEY, # INT, Tournament VARCHAR, Al-Faisaly Wins INT, Al-Wehdat Wins INT, Draws INT, Total INT, Al-Faisaly Goals INT, Al-Wehdat Goals INT) CREATE TABLE schedule (schedule_id AUTO_INCREMENT PRIMARY KEY, Week INT, Date VARCHAR, Opponent VARCHAR, Result VARCHAR, Attendance INT)  
SELECT SUM Week FROM schedule WHERE Attendance = 47,218